Download Operating instructions Compressed air meter SD8001

Transcript
Operating instructions
Compressed air meter
UK
80004720 / 00
10 / 2013
SD8001
Contents
1 Preliminary note���������������������������������������������������������������������������������������������������4
1.1 Symbols used������������������������������������������������������������������������������������������������4
2 Safety instructions�����������������������������������������������������������������������������������������������4
3 Functions and features����������������������������������������������������������������������������������������5
4 Function���������������������������������������������������������������������������������������������������������������5
4.1 Processing of the measured signals��������������������������������������������������������������5
4.2 Volumetric flow monitoring�����������������������������������������������������������������������������5
4.3 Consumed quantity monitoring (totalizer function)����������������������������������������6
4.3.1 Consumed quantity monitoring with pulse output���������������������������������6
4.3.2 Consumed quantity monitoring with preset meter��������������������������������6
4.4 Monitoring of temperatures����������������������������������������������������������������������������6
4.5 Volumetric flow monitoring / switching function���������������������������������������������6
4.6 Volumetric flow monitoring / analogue function ��������������������������������������������7
5 Installation�����������������������������������������������������������������������������������������������������������8
5.1 Installation location����������������������������������������������������������������������������������������8
5.2 Installation conditions������������������������������������������������������������������������������������8
5.3 Mounting position������������������������������������������������������������������������������������������9
5.4 Installation in pipes��������������������������������������������������������������������������������������10
6 Electrical connection������������������������������������������������������������������������������������������10
7 Operating and display elements������������������������������������������������������������������������ 11
8 Menu������������������������������������������������������������������������������������������������������������������12
8.1 Menu structure���������������������������������������������������������������������������������������������12
8.2 Explanation of the menu������������������������������������������������������������������������������13
9 Parameter setting����������������������������������������������������������������������������������������������14
9.1 General parameter setting���������������������������������������������������������������������������14
9.2 Settings for volumetric flow monitoring��������������������������������������������������������15
9.2.1 Settings for limit value monitoring with OUT1�������������������������������������15
9.2.2 Settings for limit value monitoring with OUT2�������������������������������������16
9.2.3 Scaling of the analogue value for volumetric flow������������������������������16
9.3 Settings for monitoring of consumed quantities�������������������������������������������16
9.3.1 Settings for quantity monitoring by pulse output���������������������������������16
9.3.2 Settings for quantity monitoring using the preset meter ��������������������16
2
9.3.3 Settings for meter reset controlled by the program����������������������������16
9.3.4 Switch off the meter reset�������������������������������������������������������������������17
9.4 User settings (optional)��������������������������������������������������������������������������������17
9.4.1 Determine the standard unit of measurement for volumetric flow������17
9.4.2 Configuration of the standard display�������������������������������������������������17
9.4.3 Setting the damping of the measured values�������������������������������������17
9.4.4 Setting the error behaviour of OUT1 / OUT2��������������������������������������17
9.5 Service-Funktionen��������������������������������������������������������������������������������������18
9.5.1 Reading the min./max. values for volumetric flow������������������������������18
9.5.2 Reset all parameters to the factory setting�����������������������������������������18 UK
9.6 Setting of the preset meter / pulse value (ImPS)�����������������������������������������19
10 Operation���������������������������������������������������������������������������������������������������������21
10.1 Read the set parameters���������������������������������������������������������������������������21
10.2 Changing the display unit in the Run mode�����������������������������������������������21
10.3 Error indication������������������������������������������������������������������������������������������21
10.4 General operating conditions���������������������������������������������������������������������22
11 Technical data and scale drawing��������������������������������������������������������������������22
12 Factory setting�������������������������������������������������������������������������������������������������23
3
1 Preliminary note
1.1 Symbols used
►
>
[…]
→
Instruction
Reaction, result
Designation of buttons, switches or indications
Cross-reference
Important note
Non-compliance can result in malfunctions or interference.
2 Safety instructions
• Please read this document prior to installing the unit. Ensure that the product is
suitable for your application without any restrictions.
• Work on compressed air equipment as well as mounting, setting for operation
and set-up of the unit must be carried out by suitably qualified personnel. When
doing so, state of the art, safety and accident prevention regulations must be
adhered to.
• Ensure that the installation is at a standstill and no pressure is applied before
mounting components into or removing them from compressed air equipment.
• Improper or non-intended use may lead to malfunctions of the unit or to
unwanted effects in your application. That is why installation, electrical connection, set-up, operation and maintenance of the unit must be carried out by
qualified personnel authorised by the plant operator.
• In all applications test the compatibility of the product materials (→ 11 Technical
data and scale drawing) with the media to be measured.
For the scope of validity cULus: The device shall be supplied from an isolating
transformer having a secondary Listed fuse rated as noted in the following table.
4
Overcurrent protection
Control-circuit wire size
Maximum protective device rating
Ampere
AWG
(mm2)
26
(0.13)
1
24
(0.20)
2
22
(0.32)
3
20
(0.52)
5
18
(0.82)
7
16
(1.3)
10
3 Functions and features
The unit monitors the standard volume flow of operating compressed air.
It detects the 3 process categories volumetric flow, consumed quantity, medium
temperature.
Applications: compressed air equipment.
All data refer to standard volume flow according to DIN ISO 2533, i.e. volume flow
at 1013 hPa, 15°C and 0 % relative air humidity.
The general operating conditions of compressed air equipment apply.
Pressure Equipment Directive (PED): Devices with a measuring section comply UK
with art. 3 sec. (3) of the Directive 97/23/EC and are designed and manufactured for stable gases of the fluid group 2 in accordance with sound engineering
practice.
4 Function
4.1 Processing of the measured signals
• The unit displays the current process values.
• It generates 2 output signals according to the parameter setting.
OUT1: 3 selection options...................................................... parameter setting
switching signal for volumetric flow limit values ................................... (→ 9.2.1)
or pulse sequence for totalising meter ................................................. (→ 9.3.1)
or switching signal for preset counter .................................................. (→ 9.3.2)
OUT2: 2 selection options
switching signal for volumetric flow limit value .................................... (→ 9.2.2)
or analogue signal for volumetric flow ................................................. (→ 9.2.3)
4.2 Volumetric flow monitoring
The flow rate is monitored by a calorimetric measuring system, the measured
signals by the electronics.
• 2 switching signals for volumetric flow limit values can be provided (output 1
and output 2). For the switching functions → 4.5.
• An analogue signal proportional to the volumetric flow (4...20 mA) can be
provided on output 2. For the analogue functions → 4.6.
5
4.3 Consumed quantity monitoring (totalizer function)
The unit has an internal quantity meter which continuously totals the volumetric
flow. The sum corresponds to the current consumed quantity since the last reset.
• The current meter count can be indicated.
• In addition the value before the last reset is stored. This value can also be
indicated.
The meter saves the totalled consumed quantity every 10 minutes. After a power failure
this value is available as the current meter count. If a time-controlled reset is set, the
elapsed time of the set reset interval is also stored. So the possible data loss can be
maximum 10 minutes.
The meter can be reset as follows:
• Manual reset (→ 9.3.3).
• Time-controlled automatic reset (→ 9.3.3).
4.3.1 Consumed quantity monitoring with pulse output
Output 1 provides a counting pulse if the value set in [ImPS] is reached (→ 9.3.1).
4.3.2 Consumed quantity monitoring with preset meter
2 types of monitoring are possible:
• Time-dependent quantity monitoring
-- Settings: [ImPS] = quantity x, [ImPR] = [no], [rTo] = time t.
-- If the quantity x is reached during the time t, output 1 switches and remains
switched until the meter is reset.
-- If the quantity x has not been reached after the time t, the meter is automatically reset and counting starts again; output 1 does not switch.
• Quantity monitoring not time-dependent
-- Settings: [ImPS] = quantity x, [ImPR] = [no], [rTo] = [OFF].
-- If the quantity x is reached, output 1 switches and remains switched until the
meter is reset.
4.4 Monitoring of temperatures
• The unit detects the current system temperature and shows it on the display
(→ chapter 10.2 Changing the display unit in the Run mode).
4.5 Volumetric flow monitoring / switching function
OUTx changes its switching state if it is above or below the set switching limits
(SPx, rPx). The following switching functions can be selected:
• Hysteresis function / normally open (fig. 1): [OUx] = [Hno].
6
• Hysteresis function / normally closed (fig. 1): [OUx] = [Hnc].
First the set point (SPx) is set, then the reset point (rPx) at the requested
distance.
• Window function / normally open (fig. 2): [OUx] = [Fno].
• Window function / normally closed (fig. 2): [OUx] = [Fnc].
The width of the window can be set by means of the distance between SPx and
rPx. SPx = maximum value, rPx = minimum value.
1
2
UK
HY = hysteresis; FE = window
When set to the window function the set and reset points have a fixed hysteresis of 0.25 %
of the final value of the measuring range. This keeps the switching state of the output stable
if the volumetric flow varies slightly.
4.6 Volumetric flow monitoring / analogue function
• The analogue start point [ASP] determines at which measured value the output
signal is 4 mA.
• The analogue end point [AEP] determines at which measured value the output
signal is 20 mA.
Minimum distance between [ASP] and [AEP] = 25 % of the final value of the
measuring range.
7
Factory setting
Measuring range scaled
MEW = final value of the measuring range
In the set measuring range the output signal is between 4 and 20 mA.
It is also indicated:
•Volumetric flow above the measuring range: output signal > 20 mA.
•Flow rate below the measuring range: output signal between 3.6 and 4 mA.
5 Installation
The rules and regulations for the installation and operation of compressed
air equipment must be observed.
5.1 Installation location
• Behind the cold dryer / near the load.
• If compressed air is fed into the main pipe through parallel pipes, the unit
should be mounted in the main pipe.
• Installation after the maintenance unit is also possible. If oil is used for the
loads, the unit must be mounted before the oiler.
5.2 Installation conditions
To achieve the specified measurement accuracy, the following mounting conditions must be adhered to: defined inflow / outflow pipe lengths, defined flow crosssectional area, fixed installation depth and correct positioning of the measuring
elements.
The unit is delivered mounted on a pipe section meeting these conditions.
8
In case of turbulances at the inflow side additional baffled pipes (B) are recommended:
changes to the pipe diameter
B = 5 x pipe diameter
90° elbow
B = 5 x pipe diameter
two 90° elbows, one plane
B = 10 x pipe diameter
two 90° elbows, two planes
B = 15 x pipe diameter
valve, slide
B = 35 x pipe diameter
UK
5.3 Mounting position
• Permitted mounting positions: pipe length vertical, any position (fig. 1, 2), pipe
length horizontal, unit vertical (fig. 3, 5), unit on side, pipe length left (fig. 4).
• Avoid the mounting position shown in fig. 6 (unit on side, pipe length right). If
the flow rate is low, the specified measurement accuracy cannot be adhered to.
1
2
3
4
5
6
9
5.4 Installation in pipes
Integrate the pipe length so that the direction of flow (1) and the marking arrow (2)
show in the same direction.
D
6 Electrical connection
The unit must be connected by a qualified electrician.
The national and international regulations for the installation of electrical
equipment must be adhered to.
Voltage supply to EN50178, SELV, PELV.
►► Disconnect power.
►► Connect the unit as follows:
2 switching outputs
1 BN
2 WH
1 switching output / 1 analog output
1 BN
L+
2 WH
4 BK
4 BK
2: OUT2
4: OUT1
3 BU
L
2: OUT2
4: OUT1
OUT1: switching signal or pulse sequence pnp
OUT2: switching signal pnp or analogue signal (I)
Core colours of ifm sockets:
1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black).
10
L+
3 BU
L
7 Operating and display elements
SP1
SP2
103
°F
scf
scfh
scfm
1 2 3 4 5 6 7 8
9
10
Mode/Enter Set
UK
11
1 to 8: Indicator LEDs
-- LED 1 = current volumetric flow in standard cubic feet/minute (scfm).
-- LED 2 = current volumetric flow in standard cubic feet/hour (scfh).
-- LED 3 = current consumed quantity since the last reset in standard cubic feet (scf).
-- LED 3 flashing = consumed quantity before the last reset in standard cubic feet (scf).
-- LEDs 3 and 5 = current consumed quantity since the last reset in 103 standard cubic
feet.
-- LEDs 3 and 5 flashing = consumed quantity before the last reset in 103 standard cubic
feet.
-- LED 4 = current medium temperature in °F.
-- LED 6 = not used.
-- LED 7, LED 8 = switching state of the corresponding output.
9: Alphanumeric display, 4 digits
-- Indication of the current volumetric flow (if [SELd] = [FLOW] is set).
-- indication of the meter count (if [SELd] = [TOTL] is set).
-- indication of the current medium temperature (→ 10.2).
-- indication of the parameters and parameter values.
10: Mode/Enter pushbutton
-- Selection of the parameters and acknowledgement of the parameter values.
11: Set pushbutton
-- Setting of the parameter values (scrolling by holding pressed, incremental by pressing
briefly).
-- Change of the display unit in the normal operating mode (Run mode).
11
8 Menu
8.1 Menu structure
= [Mode/Enter] / = [Set]
scf = current meter count in standard cubic feet
(scf)* = stored meter count in standard cubic feet
12
8.2 Explanation of the menu
SP1/rP1
ImPS
ImPR
OU1
OU2
SP2/rP2
ASP
AEP
EF
HI / LO
FOU1
FOU2
dAP
rTo
diS
Uni
SELd
rES
Maximum / minimum value for volumetric flow, at which OUT1 changes its
switching status.
Pulse value.
Pulse repetition active (= pulse output) or not active (= function preset meter).
Output function for OUT1 (volumetric flow or consumed quantity):
- Switching signal for limit values: hysteresis function or window function,
normally open or normally closed.
- Pulse or switching signal for quantity meter.
UK
Output function for OUT2 (volumetric flow):
- Switching signal for limit values: hysteresis function or window function,
normally open or normally closed.
- Analogue signal: 4-20 mA.
Maximum / minimum value for volumetric flow, at which OUT2 changes its
switching status.
Analogue start value for volumetric flow.
Analogue end value for volumetric flow.
Extended functions / opening of menu level 2.
Maximum / minimum value memory for volumetric flow.
Behaviour of output 1 in case of an internal fault.
Behaviour of output 2 in case of an internal fault.
Measured value damping / damping constant in seconds.
Meter reset: manual reset / time-controlled reset.
Update rate and orientation of the display.
Standard unit of measurement for volumetric flow: standard cubic feet/minute
or standard cubic feet/hour.
Standard process category of the display: volumetric flow value / meter
count.
Restore factory setting.
13
9 Parameter setting
During parameter setting the unit remains in the operating mode. It continues its
monitoring function with the existing parameters until the parameter setting has
been completed.
9.1 General parameter setting
3 steps must be taken for each parameter set:
1
2
Parameter selection
►► Press [Mode/Enter] until the
requested parameter is displayed.
Setting of the parameter value
►► Press [Set] and keep it pressed.
>> Current setting value of the param
eter flashes for 5 s.
>> After 5 s: The setting value is
changed: incremental by pressing briefly or scrolling by holding
pressed.
Numerical values are incremented continuously. If the value is to be reduced: let
the display move to the maximum setting value. Then the cycle starts again at the
minimum setting value.
3 Acknowledgement of the parameter
value
►► Press [Mode/Enter] briefly.
>> The parameter is displayed again.
The new setting value is stored.
Setting of other parameters
►► Start again with step 1.
Finishing the parameter setting
►► Press [Mode/Enter] several times until the current measured value is displayed or wait
for 15 s.
>> The unit returns to the operating mode.
14
• Change from menu level 1 to menu level 2
►► Press [Mode/Enter] until [EF] is
displayed.
►► Press [Set] briefly.
>> The first parameter of the sub-menu
is displayed (here: [HI]).
• Locking / unlocking
The unit can be locked electronically to prevent unintentional wrong settings.
UK
►► Make sure that the unit is in the
normal operating mode.
►► Press [Mode/Enter] + [Set] for 10 s.
>> [Loc] is displayed.
During operation: [Loc] is briefly displayed if you try to change parameter values.
►► Press [Mode/Enter] + [Set] for 10 s.
>> [uLoc] is displayed.
When delivered: unlocked.
• Time out:
If during parameter setting no pushbutton is pressed for 15 s, the unit exits the
parameter setting mode. The parameter value is not changed.
9.2 Settings for volumetric flow monitoring
9.2.1 Settings for limit value monitoring with OUT1
►► Select [OU1] and set the switching function:
[Hno] = hysteresis function/normally open,
[Hnc] = hysteresis function/normally closed,
[Fno] = window function/normally open,
[Fnc] = window function/normally closed.
►► Select [SP1] and set the value at which the output switches.
►► Select [rP1] and set the value at which the output switches back.
15
9.2.2 Settings for limit value monitoring with OUT2
►► Select [OU2] and set the switching function:
[Hno] = hysteresis function/normally open,
[Hnc] = hysteresis function/normally closed,
[Fno] = window function/normally open,
[Fnc] = window function/normally closed.
►► Select [SP2] and set the value at which the output switches.
►► Select [rP2] and set the value at which the output switches back.
9.2.3 Scaling of the analogue value for volumetric flow
►► Select [OU2] and set the function:
[I] = current signal proportional to volumetric flow (4…20 mA);
►► Select [ASP] and set the value at which the minimum output value is
provided.
►► Select [AEP] and set the value at which the maximum output value is
provided.
9.3 Settings for monitoring of consumed quantities
9.3.1 Settings for quantity monitoring by pulse output
►► [Select [OU1] and set [ImP].
►► Select [ImPS] and set the volumetric flow quantity at which 1 pulse is
provided (→ 9.6).
►► Select [ImPR] and set [YES]
>> Pulse repetition is active. Output 1 provides a counting pulse when the
value set in [ImPS] is reached.
9.3.2 Settings for quantity monitoring using the preset meter
►► Select [OU1] and set [ImP].
►► Select [ImPS] and set the volumetric flow quantity at which output 1
switches (→ 9.6).
►► Select [ImPR] and set [no]
>> Pulse repetition is not active. The output switches ON if the value set in
[ImPS] is reached. It remains switched until the meter is reset.
9.3.3 Settings for meter reset controlled by the program
►► Select [rTo] and continue with a) or b).
a) Reset the meter manually
►► Press [Set] until [rES.T] is displayed, then press [Mode/Enter] briefly.
b) Enter the value for time-controlled reset
►► Press [Set] until the requested value is displayed (intervals from 1 hour
to 8 weeks), then press [Mode/Enter] briefly.
16
9.3.4 Switch off the meter reset
►► Select [rTo] and set [OFF]. The meter is only reset after overflow
(= factory setting).
9.4 User settings (optional)
9.4.1 Determine the standard unit of measurement for volumetric flow
►► Select [Uni] and set the unit of measurement:
[SCFm] = flow rate in standard cubic feet / minute.
[SCFH] = flow rate in standard cubic feet / hour.
The setting only has an effect on the volumetric flow value. The counter
values (consumed quantity) are automatically displayed in the unit of measurement providing the highest accuracy.
UK
9.4.2 Configuration of the standard display
►► Select [SELd] and determine the standard process category.
[FLOW] = display shows the current volumetric flow value in the standard unit of measurement.
[TOTL] = display indicates the current meter count in scf or 1000 scf.
►► Select [diS] and determine the update rate and orientation of the display:
[d1] = update of the measured values every 50 ms.
[d2] = update of the measured values every 200 ms.
[d3] = update of the measured values every 600 ms.
[rd1], [rd2], [rd3] = display as for d1, d2, d3; rotated by 180°.
[OFF] = the display is switched off in the operating mode.
9.4.3 Setting the damping of the measured values
►► Select [dAP] and the damping constant in seconds (t value 63 %).
9.4.4 Setting the error behaviour of OUT1 / OUT2
►► [Select [FOU1] and determine the value:
[On] = output 1 switches ON in case of an error.
[OFF] = output 1 switches OFF in case of an error.
[OU] = output 1 switches irrespective of the error as defined with the
parameters.
►► Select [FOU2] and determine the value:
[On] = output 2 switches ON in case of an error, the analogue signal
goes to the upper end stop value.
[OFF] = output 2 switches OFF in case of an error, the analogue signal
goes to the lower end stop value.
[OU] = output 2 switches irrespective of the error as defined with the
parameters. The analogue signal corresponds to the measured value.
17
9.5 Service-Funktionen
9.5.1 Reading the min./max. values for volumetric flow
►► Select [HI] or [LO] and press [Set] briefly.
[HI] = maximum value, [LO] = minimum value.
Delete memory:
►► Select [HI] or [LO].
►► Press [Set] and keep it pressed until [----] is displayed.
►► Press [Mode/Enter] briefly.
It makes sense to delete the memories as soon as the unit works under
normal operating conditions for the first time.
9.5.2 Reset all parameters to the factory setting
►► Select [rES], then press [Set] and keep it pressed until [----] is dis-
played.
►► Press [Mode/Enter] briefly.
The factory setting is listed at the end of the instructions (→ 12 Factory
setting).
It makes sense to write your own settings in this table before executing the
function.
18
9.6 Setting of the preset meter / pulse value (ImPS)
7 setting ranges are available:
LED
indication
in steps of
value
1
3
0 .1 2 0
...
9 .9 8 0
0.020 scf
0.120...9.980 scf
2
3
1 0 .0 0
...
9 9 .9 8
0.02 scf
10.00...99.98 scf
3
3
1 0 0 .0
...
9 9 9 .9
0.1 scf
100.0...999.9 scf
4
3
1 0 0 0
...
9 9 9 9
1 scf
1000...9999 scf
5
3+5
1 0 .0 0
...
9 9 .9 9
10 scf
10 000...99 990 scf
6
3+5
1 0 0 .0
...
9 9 9 .9
100 scf
100 000...999 900 scf
7
3+5
1 0 0 0
...
4 0 0 0
1000 scf
1 000 000 scf ...
4 000 000 scf
UK
Setting operation:
►► Ensure that [OU1] is set to [ImP].
►► Select [ImPS], press [Set] and keep it pressed.
>> The current numerical value flashes for 5 s, then one of the 4 digits becomes
active (digit flashes, can be changed).
►► Set the requested value as indicated in the following table.
First select the requested setting range. Then set the figure from the left digit to
the right digit.
►► Press [Mode/Enter] briefly when all 4 digits are set.
As soon as the first digit flashes there are 3 options:
►► Press [Set] once
The flashing digit is increased. 9 is followed by 0 - 1 - 2, etc.
8 .1 2 3
[Set] pressed 1 x 9 .1 2 3
[Set] pressed 1 x 0 .1 2 3
[Set] pressed 1 x 1 .1 2 3
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►► Press [Set] and keep it
pressed.
The flashing digit is increased, 9 is followed by 0 and the first
new digit (left) becomes active.
8 .1 8 3
[Set] permanently pressed 8 .1 9 3
[Set] kept pressed 8 .1 0 3
If digit 1 is increased this way, the display changes to the
next higher setting range (9 is followed by 10).
8 .1 2 3
[Set] permanently pressed 9 .1 2 3
[Set] kept pressed 1 0 .1 2
►► Press no pushbutton
for 3 s.
The digit following on the right flashes (= becomes active).
If the fourth digit flashes unchanged for 3 s, digit 1 becomes
active again (if the value of digit 1 is > 0).
8 .1 2 3
no pushbutton pressed; after 3 s 8 .1 2 3
after 3 s 8 .1 2 3
after 3 s 8 .1 2 3
after 3 s 8 .1 2 3
If digit 1 has the value “0”, the display changes to the next
lower setting range.
0 1 .2
no pushbutton pressed; after 3 s 0 1 .2
after 3 s 0 1 .2
after 3 s 0 1 .2
after 3 s (new digit 4 active and set to 0) 1 .2 3
after 3 s (new digit 1 active) 1 .2 3
3
3
3
3
0
0
Highlighted grey ( 1 ) = flashing digit
Note: If [Set] is pressed continuously, the display moves through all setting ranges;
after the end value it jumps back to the start value. Release [Set] briefly and start
the setting again.
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10 Operation
Correct operation and compliance with the measurement accuracy can only be ensured if the environmental conditions specified in the Technical data are adhered
to. Ensure that the maximum pressure range, measuring range and permitted
operating temperature are not exceeded.
After power on and expiry of the power-on delay time (approx. 0.5 s) the unit is in
the Run mode (= normal operating mode). It carries out its measurement and evaluation functions and generates output signals according to the set parameters.
• Operation indication → chapter 7 Controls and indicating elements.
UK
• During the power-on delay time the outputs are switched as programmed: ON
for NO function (Hno / Fno) and OFF for NC function (Hnc / Fnc).
• If output 2 is configured as analogue output, the output signal is at the maximum value during the power-on delay time.
10.1 Read the set parameters
►► Press [Mode/Enter] until the requested parameter is displayed.
►► Press [Set] briefly.
>> The unit displays the corresponding parameter value for about 15 s. After
another 15 s the parameter is displayed again, then the unit returns to the Run
mode.
10.2 Changing the display unit in the Run mode
►► Press [Set] briefly in the Run mode. Press the pushbutton to move to the next
display unit.
>> The unit displays the current measured value for approx. 15 s, the corresponding LED lights.
10.3 Error indication
[SC1] Short circuit in OUT1.*
[SC2] Short circuit in OUT2.*
[SC]
Short circuit in both outputs.*
[OL]
Measured value > 120% of the final value of the measuring range.
[UL]
Measured value < lowest value of the measuring range.
[Err]
Fault in the measuring probe.
*The output concerned is switched off as long as the short circuit continues.
These faults are indicated even if the display is deactivated.
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10.4 General operating conditions
The unit is maintenance-free for media which will not adhere to the measuring
probes.
• From time to time check the measuring probes visually for build-up.
• If necessary, clean them at regular intervals. To do so, use a suitable cleaning
liquid (e.g. alcoholic solution).
• Avoid mechanical damage to the measuring probes.
11 Technical data and scale drawing
Technical data and scale drawing at www.ifm.com → Data sheet search → Enter
the article number.
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12 Factory setting
SP1
rP1
ImPS
ImPR
OU1
OU2
SP2
rP2
ASP
AEP
FOU1
FOU2
dAP
rTo
diS
Uni
SELd
Factory setting
1500
1460
0.120
YES
Hno
Hno
3000
2960
0
7945
OFF
OFF
0.6
OFF
d3
SCFH
FLOW
User setting
UK
More information at www.ifm.com
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